3. In the expansion of (5x - 3)(x + 2)2
Find i) coefficient of x2 and x
ii) constant term
Answers
Answered by
1
Answer:
=(5x-3)(x-2)²
=(5x-3)(x²+4-4x)
= 5x³+20x-20x²-3x²-12+12x
=5x³-23x²+32x-12
This is the polynomial. Hence coefficient of x²=-23 and coefficient of x=32
Answered by
1
Answer:
constant will be 2x+x=9 because x is taken as 9
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