Question

Which of the following equations has roots 3 and 5? *

a) X²-8x+15=0
b) X²+3x+5=0
C) X²-15x+8=0​

Answer 1

Answer:

If the roots are 3 & 5 then,

(x-3) & (x-5) are the factors of the particular equation!

Now, solve this

(x-3)(x-5)

x²-5x-3x+15

x²-8x+15

Hence, (a) X²-8x+15 is correct!

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