Question

Product of the ages of a and b is 1065 and their sum is 65. what is the difference in their ages? 19. product of the ages of a and b is 1065 and their sum is 65. what is the difference in their ages?

Answer 1

solution.

a*b= 1065.....(1)

and, a+b= 65.....(2)

so, a= 65-b

putting the value of a in 1.we get.

=> (65 - b )b= 1065

=> -b^2+65b - 1065= 0

now, D= b^2-4ac

= 4225 - (4260)

= -35<0

so, there have no real roots.

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