# Nagaland Class 9 Answered

**If (x+2) is a factor of x²-2ax²-5x+6a, then find the value of a**

Asked by tovitact | 21 Mar, 2019, 08:43: PM

Expert Answer

f(x) = x

^{3}-2a x^{2}-5x +6aif (x+2) is a factor, then f(-2) = 0

f(-2) = -8 -2a (-2)

^{2}-5(-2) + 6a = 2 - 2a = 0hence a = 1

Answered by Thiyagarajan K | 21 Mar, 2019, 10:12: PM

## Application Videos

## Concept Videos

Nagaland 9 - Maths

Asked by tovitact | 21 Mar, 2019, 08:43: PM

ANSWERED BY EXPERT

Nagaland 9 - Maths

Asked by Sachinsingh0045 | 13 Feb, 2019, 07:53: PM

ANSWERED BY EXPERT

Nagaland 9 - Maths

Find the vaue of k, if x-1 is a factor of p(x) in each of the following cases Q1. P(x) =x square+x+k

Asked by Sg900266 | 12 Feb, 2019, 08:12: PM

ANSWERED BY EXPERT