Question

(X-1)²= 8-√28 find the value of x?

Answer 1

Answer:

x = √7

Explanation:

i ) 8 - √28

= 8-2√7

= 7+1-2×√7×1

= (√7)²+1²-2×√7×1

= (√7-1)²

Now ,

(x-1)² = (√7-1)²

=> x-1 = √7-1

=> x = √7

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