Question

(√31-√5)×(√31+√5)
wut will b the ans
pls solve it with explanation
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Answer 1

Answer:

26

Step-by-step explanation:

(√31-√5)(√31+√5)

[(a-b) (a+b)= a2-b2]

(√31)2-(√5)2

31-5

26

Answer 2

$( \sqrt{31} - \sqrt{5} ) \times ( \sqrt{31} + \sqrt{5} ) \\ = ({ \sqrt{31} })^{2} - ( { \sqrt{5} })^{2} \\ = 31 - 5 \\ = 26$