Question

*(√5 - 1) (√5 + 1) का मान क्या है?*


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Answer 1

$\huge\bold\star\red{Answer}\star$

$( \sqrt{5} - 1)( \sqrt{5} + 1)$

$\huge\green{USING \:IDENTITY}$

(a-b)(a+b)

$( \sqrt{5} - 1)( \sqrt{5} + 1) = { \sqrt{5} }^{2} - {1}^{2}$

$5 - 1 = 4$

The answer is 4

Answer 2

Answer:

The right ✅ answer is 4 hope it helps you dear

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