Question

b² / √(a² + b²) + a

Express it in rational denominator.​

Answer 1

Answer:

b2

Va2 + b2 +a

Rationalizing the denominator

>.'.=

b2

+ b2 + a

х a2+b2 - a a2 + b 2 а

b²(va2 + b2 – a) a2 + b2 – a2

= b2(va2 + b2 b2 a

= a2 +b2 – a is Answer

( V,v is root symbol)

Explanation of steps: -

(1) Multiply the fraction by

(- a2 + b2 a2 + b2 — а - a

(2) Simply the products

(3) Eliminate the opposites

(4) Reduce the fraction by cancelling b2

> in numerator and denominator