Math, asked by piyushagra37981, 1 year ago

Two numbers a and b are chosen from the set of first 30 natural numbers. Find the probablity that a^2-b^2 is divisible by 3

Answers

Answered by PrinceManish

0

"P(X) = 10C2+20C2/30C2 = 235/435 = 47/87 =0.540298850"....

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