A book costs $ 25.Marilyn bought the book during a sale 15% discount. How much did she pay for the book
1 answer:
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Answer:
Q 12 roots of the equation
∝ =
β =
no matter if u oppose the root
(i) 2()
+2
(
)+2(
(ii)( - 3 (
)(
) + (
) =
Q 13 roots of equation
the roots of the second equation are
x1 = 1/3(-0.693) = -0.231
x2 = 1/3(1.443) = 0.481
the equation is
(x+0.231)(x-0.481)=0