Question

Solve 7th and 8th problem
will make you brilliant​

Answer 1

Answer:

1. 7th no. answer -

If all the zeros of cubic polynomial "x3+ax2-bx+c are positive than all a,b,c is negative. the given segment is false . The a is constant which is negative.

2. 8th no. answer -

Let length of the rectangle is L

and breadth of the rectangle is B

Therefore , according to the question ,

sum of the zeros = -b/a

so, length + breadth = 10

perimeter = 2(10)

= 20.

Explanation:

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