if (x+a) (x+b)(x+c) = x^3-10x^2+45x-15. find a+ b+ c, 1/a+1/b+1/c and a^2+b^2+c^2.
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a+b+c=45
1÷a+1÷b+1÷c= -3
mani5812:
how to find -3
when we find a+b+c then divide both sides by abc and then solve some steps you will get ans
thank you
kk
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