Hey guys...
Plz Answer to dis Quest...
I will Mark urll as Brainliest anss
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Answered by
11
Step-by-step explanation:
here is ur answer
option a) 12
as 4a^3×3a= 12a^4
so here coefficient is 12
Answered by
2
Answer:
12
Step-by-step explanation:
(4a3+5a2)(−15+3a)
=(4a3+5a2)(−15+3a)
=(4a3)(−15)+(4a3)(3a)+(5a2)(−15)+(5a2)(3a)
=−60a3+12a4−75a2+15a3
=12a4−45a3−75a2
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