Sign in
Please select an account to continue using cracku.in
↓ →
If a - b = 1 and ab = 6, then what is the value of $$a^{3} - b^{3}$$?
$$a^{3}-b^{3}=(a-b)^{3}+3ab(a-b)=(1)^{3}+3(6)(1)=19$$
So the answer is option C.
Create a FREE account and get: