if the product of the of quadratic equation x^2 - 3ax +2a^2 -1 is 7 find a
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Step-by-step explanation:
Given:- Product of the roots is 7
x²-3ax+2a²-1=0
Product of the roots
=2a²-1=7
2a²=7+1=8
a²=4
a=±2
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