Find 5X cube minus 2X square plus X -7 at P(1),p(-1),p(-2)
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Answers
Answered by
0
Answer:
26015.53
Step-by-step explanation:
search it on the doubtnut
Answered by
4
Answer:
- P(1) = -3
- P(-1) = -15
- P(-2) = -57
Step-by-step explanation:
P(x) = 5x³-2x²+x-7 is the required equation
P(1) = 5(1)³-2(1)²+(1)-7
= 5-2+1-7
= -3
P(-1) = 5(-1)³-2(-1)²+(-1)-7
= -5-2-1-7
= -15
P(-2) = 5(-2)³-2(-2)²+(-2)-7
= (5×-8)-(2×4)-2-7
= -40-8-2-7
= -57
Hope It Helps You !!!!!
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