Question

please solve these all questions fastly class ninth maths​

Answer 1

Answer:

because of cursive writing i am not able to understand the question

Answer 2

2_i (√625)²

(25²)²/³

(25)³/²

(5²)³/²

(5)³

125

ii) [³√216]²

[³√(6)³]²

(6)²

36

iii) Xpower to a(b-c)/Xpower to

b(a-c)

Xpower to ab- ac/ Xpower to ab-bc

[Xac÷Xac]/[Xab÷Xbc]

xbc/Xac

3 _ (√5 + √3)²

using identity

(a+b)²=a²+b²+2ab

(√5)²+(√3)²+2√5√3

5+3+2√5

8+2√15

b_ (√7-√3) (√7+√3)

using Identity

{a-b}{a+b}=a²-b²

(√7)²-(√3)²

7-3

4

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