If a + b = 3 and a^2 + b^2 = 7, what is a^4 + b^4?
Category: Algebra Formula

Which of the following is a common factor of both x^2 – 4x – 5 and x^2 – 6x – 7?
Which of the following is a common factor of both x^2 – 4x – 5 and x^2 – 6x – 7?

If a − b = 4 and ab = 21, find the value of a^3 − b^3.
If a − b = 4 and ab = 21, find the value of a^3 − b^3.

Solve the following equations and find the value of abc? If a + b + c = 6, a^2 + b^2 + c^2 = 14, and a^3 + b^3 + c^3 = 36, then abc is,
Solve the following equations and find the value of abc?
If a + b + c = 6, a^2 + b^2 + c^2 = 14, and a^3 + b^3 + c^3 = 36, then abc is,

If p − q = 6 and p^2 + q^2 = 116 , what is the value of pq ?
If p − q = 6 and p^2 + q^2 = 116 , what is the value of pq ?