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Fittoniya [83]
4 years ago
7

Given triangle ABC , A = 50, a = 15, and b = 19, find B to the nearest degree.

Mathematics
1 answer:
Naily [24]4 years ago
7 0

Answer:

7? i think sorry I didnt understanf the question

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What is the remainder to x^3+4x^2+x-6 divided by (x-1)
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5x^2=5x\cdot x, and 5x(x-1)=5x^2-5x. This gives a new remainder of

(5x^2+x-6)-(5x^2-5x)=6x-6

6x=6\cdot x, and 6(x-1)=6x-6. This gives a new remainder of

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and so there is no remainder.

###

Quicker method: Use the polynomial remainder theorem, which says the remainder upon dividing a polynomial p(x) by x-c is p(c). Here we have

p(x)=x^3+4x^2+x-6

c=1\implies p(c)=1+4+1-6=0

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