RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 19 of Exercise 2A

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19

If and x = ‒3 are the roots of the quadratic equation ax2 + 7x + b = 0 then find the values of a and b.

We have, ax2 + 7x + b = 0

Now, Sum of zeros



a = 3 (i)


Product of zeroes (From i)


b= -6


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