Class 9 Maths Chapter 1 | Number System Solutions | Exercise 1.4 Q1 to Q5

[@SangitaDevi-ef7ox]

Question no. 5 (iv) Dividing and multiplying by √7 + 2, we get
1/(√7 - 2) = [1/(√7 - 2)] × (√7 + 2)/(√7 + 2)
Using identity (a + b)(a - b) = (a² - b²)
= (√7 + 2) / (√7)² - (2)²
= (√7 + 2) / (7 - 4)
= (√7 + 2) / 3

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[@TorishaRapsang]

Sir ans:√7+2/3 very easy😎😎😎😎

[@raunak993]

Sir answer hoga √7+2/3 answer

[@stephystoodyclass8802]

Yes

[@stephystoodyclass8802]

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[@Amrita_Karmakar999]

Sir apka maths itna achhe se samajh aata h na, aap bohot accha samjh_jate h sir......
Thankyou♥️

[@Indaintraincrossing148]

{UT-I} [MATHS]
CHAPTER=(Introduction to Euclid's Geometry):(Lines & Angles):(Coordinate Geometry):(Area of Triangles by Heron's formula).
{H.Y.} [MATHS] CHAPTER=(Number System):(Real Number): (Polynomials):(Introduction to Euclid's Geometry):(Lines & Angles):(Triangles):(Coordinate Geometry):(Area of Triangles by Heron's formula):(Statistics).
{UT-II} [MATHS] CHAPTER=(Linear Equations in Two Variables):(Surface Areas & Volumes):(Statistics & Probability).
{ANNUAL} [MATHS] CHAPTER=(Real Number): (Polynomials):(Introduction to Euclid's Geometry):(Lines & Angles):(Triangles):(Coordinate Geometry):(Area of Triangles by Heron's formula):(Linear Equations in Two Variables):(Quadrilaterals):(Circles):(Mensuration):(Surface Areas & Volumes):(Statistics & Probability):(Statistics):(At least 5 activities).

[@shanmugasundarams7314]

Ans 3 ...❤......

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sir ko bahut dino baad dekha majaaagaya

[@ZENG_SB]

❤❤sir the answer for the last one is √7+2/3

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Sir the ans is √7+2/3❤

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[@akkumar775]

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[@shivenparihar]

Ans is root 7+2
-------
3

[@manvendrasingh418]

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Best explanation ❤❤❤

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24:42 answer = √7 + 2/3

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Pucha kisi ne

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Ha sir me pucha

[@murariagrawal5550]

Thanku Sir ap bht aacha samjaye hai. Iska answer ha..root 7+2/3

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Home work
@mdsirclass9
Answer :- √7+√2 by 3 (ans) sir right or wrong❤

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Answers of 5)iv) √7+√2/3

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7root + 2 / 3

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Only motivation 👍

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Sir answer is under root 7+2 uppon 3 is right answer 🎉🎉

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√7+2/3❤

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Sir question 5 ka 4 number ka answer u√7 + 2 /3 hoga am i right sir??❤

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Sir ans: √7+2/3

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√7+2/3 the answer

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√7+2/3 answer of 4 number

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Last answer √7+2
3

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[@OG_Gamer_Mohit]

Answer-√7+2/3

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Best solutions and explanations 💖💖💖

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[@anuradhakumari-vn9ns]

Sir question no 3 ka ye answer nahi ho sakta hai?
π=c/d
When we major a line which scale get approximate value on the other hard decimal expansion of c/d is neither terminating or repeating
Here, π is irrational
👇🏻

[@kalecakes4696]

Ok

[@Animeera0]

Md sir thanku apke vaje se mere 20 mai se 16 marks aai sir mere maths bahut kamjor thi or ab mujhe bahut acha lgra maths padhna
Pura number system apse hi hua
Thanku sir. ❤️

[@yogendrasingh6389]

24:42 Ans=√7+2/3

[@priyaprajapati9535]

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[@sameerpatel7648]

sir answer is √7+2/11

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Root 7 - 2 upon 5

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✓7+2
________
3

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0:30
Taki mujhe motivation mile ❌
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😂😂

[@specialstudychannel6564]

20.42 ✓7+2/3

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