CBSE Class 10 Answered
Find the zeroes of the following polynomials by factorization method and verify the relations
between the zeroes and the coefficients of the polynomials:
(i) 4
Asked by luckykumar.com2015 | 21 Jun, 2020, 19:21: PM
Expert Answer
(ii)
5t2 + 12t + 7
= 5t2 + 5t + 7t + 7
= 5t(t + 1) + 7(t + 1)
= (5t + 7)(t + 1)
5t + 7 = 0 or t + 1 = 0
t = -7/5 or t = -1
Sum of zeroes = -7/5 - 1 = -12/5
Product of zeroes = -1(-7/5) = 7/5
Hence verified.
Note:- One question can be solved per query.
Answered by Renu Varma | 22 Jun, 2020, 11:45: AM
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