Question

The value of (√15 + √12)(√15-√12) ​

Answer 1

Step-by-step explanation:

(a+b)(a-b)=15-12=3

SO ANS =3

Answer 2

Answer:

Hey!! Ur answer:

$( \sqrt{15} + \sqrt{12} )( \sqrt{15} - \sqrt{12} ) \\ as \: we \: know \: (a + b)( a- b) = {a}^{2} - {b}^{2} \\ = ({ \sqrt{15} }) \: ^{2} - {( \sqrt{12} )}^{2} \\ = 15 - 12 \\ = 3$

Step-by-step explanation:

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