If ( x+2a) is a factor of x5 - 4a2x 3+2x+2a+3, find ‘a’.
Answers
Answered by
2
Step-by-step explanation:
x=-2a putting value in the question
-32a^5+32a^5 -4a+2a+3=0
=-2a+3=0
=2a=3
a=3/2
tisha1232:
i think it is supposed to be -3/2
but thanks anyway
which class are you in?
Answered by
1
Answer:
given
x + 2a = 0
=> x = - 2a
so we get x = -2a
now set in
( -2a )^5 - 4. a^2 .( -2a )^3 + 2 ( -2a ) + 2a + 3
=> - 32a^5 + 32a^5 - 4a + 2a + 3
=> -4a + 2a + 3
=> - 2a +3
now
- 2a + 3 =0
=> a = -3/-2 = 3/2
value of a is = 3/2
Step-by-step explanation:
Similar questions