Can somebody please answer the 1st question ASAP
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Can somebody please answer the 1st question ASAP
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The answer is 2
Explanation
we know, (a×b)1/3 = a1/3 × b1/3
so, here we can write
[(√50+√42)×(√50-√42)]^1/3
= [(√50)^2 - (√42)^2]^1/3
= [ 50 - 42 ] ^1/3
= (8)^1/3
we know, 8 = (2)^3 put the value,
= (2^3)^1/3
= (2)^3/3
= (2)^1
= 2