Question

A and B are 2 digit consecutive numbers such that the unit digit of A^2 is 6 and the unit digit of B^2 is 5 then find the number of all non perfect square numbers betweenA^2 and B^2

Answer 1

Answer:

$2ab^{2} ab { }^{2} + bc {}^{2} + cd {}^{2}$

ab2 multiplying by 2ab2

2(4ab2)

2(16 ab)

32ab