Find the values of a and b if they are the zeros of the polynomial x^2 + ax + b.
Answers
Answered by
27
given=>
p(x) = x^2 + ax + b..
we have zeroes of solution ,,,
a + b = -a
a + b = -a
2a +b =0==(1)
similarly,,
a×b =b
a × b = b
a = 1...==(2)
substitute in 1....
we get...
2 (1) + b = 0
2 +b = 0
b = -2...
hence, the two zeroes of the solution are,, 1 and -2....
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Answered by
6
Answer:
there are two possible Values of a and b
(1) -1/2 and -1/2
(2) 0 and 0
Step-by-step explanation:
a and b are zeroes of polynomial which means that placing a or b in equation results answer to be zero.
hence, one by one by substituting values of a and b, we get two equations.
a² + a.a +b=0 ⇒ 2a² +b = 0 .......(1)
b² + ab + b =0 ........(2)
solving both the equations we get two values of a and b.
(1) -1/2 and -1/2
(2) 0 and 0
understand the answer. if any queries do ask in comment se tion.
if satisfied by my way of explanation do like and comment !!..
Thanks!!.. :)
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