निम्नलिखित में से कौन-सा वाक्य शुद्ध है ?

If a³ + b³ = 6240 and a + b = 30, then find the value of {(a + b)² – 3ab}

Which of the following statements is correct?

I. If x = 12, y = –2 and z = –10, then x³ + y³

+ z³ = 720

When 732 is divided by a positive integer x, the remainder is 12. How many values of x are there?

Evaluate (998)³ without multiplying directly.

If a = 901, b= 903, and c= 906, then find the value of a³ + b³ +c³ –3abc?

If P³ + 3P² + 3P = 7, then the value of P²+ 2P is –