Math, asked by charitha6, 1 year ago

root 20 plus root 20 plus infinity

Answers

Answered by RAJdba
3
0 zero is the rq. answer

charitha6: but answer mist be 5
charitha6: must
Answered by Neero
8
X=√(20+√(20+√(20+√(20….)))); —————1

X=√20+x; //from -1

Apply sqaure on both sides.

X^2=20+x;

X^2-x-20=0;

X^2–5x+4x-20=0;

X(X-5)+4(X-5)=0;

(X+4)(X-5)=0;

X=-4 ,X=5{as we know the square root value must not be a negative. So, X=-4 is not valid one}

Solution:- 5


charitha6: thank u so much
Neero: ur welcome
Neero: :)
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