If -2 and 3 are the zeros of the quadratic polynomial x2 + (a + 1) x + b then a = ___ and b = ______.

Q11 of 180 Page 1

If -2 and 3 are the zeros of the quadratic polynomial x² + (a + 1) x + b then a = _ and b = ____.

a = -2, b = -6

Sum of roots =

⇒

Again, product of roots =

⇒

The diameter of a sphere is 14 cm. Calculate its volume.

Which of the following cannot be the probability of an event?

The distance of the point P (-6, 8) from the origin is ___ units.

The first three terms of an AP are (3y – 1), (3y + 5) and (5y + 1), the value of y is _____.

If 18, a, (b – 3) are in AP, then value of (2a – b) is ____.