Math, asked by kamalgarg20, 10 months ago

if one of the zeroes of the polynomial x^3+9x^2+bx+c is -1 . then prove that the product of other two zeros is b-a+ 1 .
find the value of a and b

Answers

Answered by arsh122100
1

Answer:

In △ABC AB=AC

⇒∠B=∠C (Angles opposite to equal sides are equal)

Now using angle sum property

∠A+∠B+∠C=180

⇒80

+∠C+∠C=180

⇒2∠C=180

−80

⇒∠C=

2

100

=50

now ∠C+∠x=180

(Angles made on straight line (AC) are supplementary)

⇒50

+∠x=180

⇒∠x=180

−50

=130

@ARSH

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