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CBSE Class 10 Answered

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Asked by abhishek11 | 16 Apr, 2009, 08:52: PM
answered-by-expert Expert Answer

since x=1 is a zero of the given poly p(x)

 so,

p(1)=0

1+10+p+q=0

p+q+11=0..(i)

Simly using x=-2 is a zero, we get,

p(-2)=0

So,

-8+40-2p+q=0

32+2p+q=0..(ii)

solve both eqns to get p and q.

Answered by | 16 Apr, 2009, 11:10: PM

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