All Courses

If a + b = 9 and a² + b² = 53, then find the value of ab.

Question

If a + b = 9 and a² + b² = 53, then find the value of ab.

A.

20

B.

8

C.

14

D.

18

Solution

Correct option is C

Similar Questions

test-prime-package

Access ‘RRB ALP Fitter’ Mock Tests with

60000+ Mocks and Previous Year Papers
Unlimited Re-Attempts
Personalised Report Card
500% Refund on Final Selection
Largest Community

354k+ students have already unlocked exclusive benefits with Test Prime!

test-prime-package

Access ‘RRB ALP Fitter’ Mock Tests with

60000+ Mocks and Previous Year Papers
Unlimited Re-Attempts
Personalised Report Card
500% Refund on Final Selection
Largest Community

354k+ students have already unlocked exclusive benefits with Test Prime!