Question

if (root(18-6root5)=root a-root b, then prove that a+b=18

Answer 1

Here is your answer of maths

Answer 2

Answer:

a=15 b=3

Step-by-step explanation:

(root(18-6root5))=root a- root b

squaring both sides

(root(18-6root5))whole square =(root a- root b)whole square

18-6root5=a+b-2 (root a) (root b)

18-2*(3 root 5)=a+b-2(root a)(root b)

18-2*(root9*5)=a+b-2(root ab)

18-2(root45)=a+b-2(root ab )

(15+3)-2*root(15*3)=(a+b)-2(root ab)

hence

a+b=15+3

a+b=18

Proved

hope it helps please make me a brainliest