Question

(3under root 5 -2under root 3) (3under root5 +2under root3)

Answer 1

given:

=> (3√5-2√3)(3√5+2√3)

~ (a+b)(a-b) = a square - b square

=> (3√5)square - (2√3)square

=> 45-12

=> 33

so the required Answer is 33

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