na k matma

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Question		Answer
x1+x2 start learning		-b/a
x1*x2 start learning		c/a
1/x1 +1/x2 start learning		-b/c
1/x1+x2 start learning		-a/b
x1^2+x2^2 start learning		b^2-2ac/a^2
1/x1^2 + 1/x2^2 start learning		b^2-2ac/c^2
(x1-x2)^2 start learning		b^2/a^2 -4 c/a
x1^3 +x2^3 start learning		(-b/a)(b^2-3ac/a^2)

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