If sum Of zeros of X2 + (5m-7)x - (2m-7)is four times of its product of zeros . Find m
Answers
Answered by
8
Answer:
m=7.
Step-by-step explanation:
given sum of zeroes = 4 times of its product.
we know sum of zeroes =-b/a.
and product of zeroes = c/a.
here, a= 1.
b=(5m-7).
c= -(2m-7).
=》(-2m+7).
so,
-(5m-7)/1=4(-2m+7)/1.
-5m-7 = -8m+28.
=》8m-5m = 28-7.
=》3m = 21.
=》m = 21/3.
=》m = 7.
verification is given in the attachment...
Attachments:
Similar questions