Question

If x-a is a factor of x^3-5x^2a+4a^2x+m, find m​

Answer 1

Answer:

f(a) = 0

x - a = 0

x = a

x^3 - 5x^2a + 4a^2x + m

=》 a^3 - 5a^3 + 4a^3 + m = 0

=》 m = 0

Answer 2

Answer:

Cost of 50 pencils  = Rs 75.

No of pencils be x @ Rs . 150 are

50→75

x→150

x=28150×50=100

 x = 100 pencils.

Answer 3

Answer:

Cost of 50 pencils  = Rs 75.

No of pencils be x @ Rs . 150 are

50→75

x→150

x=28150×50=100

 x = 100 pencils.