Question

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Answer 1

Ans (i)

$\frac{4a + 3b}{3b}$

After adding the vaule

$\frac{8 + 9}{9}$

$8$

Ans (ii)

$\frac{5 {a}^{2} + 2 {b}^{2} }{5 {a}^{2} - 2 {b}^{2} }$

After adding the value

$\frac{20 + 18}{20 - 18}$

$\frac{38}{2}$

$19$

Ans (iii)

$\frac{ {a}^{3} + b ^{3} }{b {}^{3} }$

$\frac{8 + 27}{27}$

After adding the value

$8$

Ans (iv)

$\frac{7b - 4a }{7b + 4a}$

After adding the value

$\frac{ 21 - 8}{21 + 8}$

$\frac{13}{29}$

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