PLEASE HELP ME WITH THE FIRST QUESTION
correct option is a but i need explaination
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ritikasaini123456:
if a and b are roots of equation x^2 -px+q=0 then the value of (a+b)x + 1/2(a^2+b^2) x^2 ....... is?
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Answer:
Step-by-step explanation:
{ax-1/2ax^2+1/3ax^3......}+[bx-1/2bx^2+1/3bx^3]
=log(1-ax)+log(1-bx)
=log(1-(a+b)x+abx^2)
now i guess
a+b=p
ab=q
so answer us log(1-px+qx^2)
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