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If the zeroes of quadratic polynomial x^2 +(a+1)x+b are 2 and-3 , then find the values of a and b.

Posted by @/<$#!T Just Own 4 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Secret ??? 4 years, 8 months ago

2²+(a+1)2+b=0_________. 4+2a+2+b=0_________. 2a+b+6=0--------1 ________. -3²+(a+1)-3+b=0_________. -3a+b+6=0------------ 2________ :- by using elimination method, 2a +3a-b+b-6+6=0_______. 5a =0 a=0 then b=-6

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