Sales 180 Lakhs, Purchases 129 Lakhs and Opening Stock 33 Lakhs. If the rate of Gross Profit is 50% on cost, then the value of closing stock will be …………………………
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Answer:
x²-2x-8
factors of 8 is 2×4
x²+2x-4x-8
x(x+2) -4(x+2)
(x-4) (x+2)
x= 4,x=-2
\alpha = 4 \: and \: \beta = - 2α=4andβ=−2
verification of relationship
\alpha + \beta = \frac{ - b}{a}α+β=
a
−b
4+(-2) = -(-2/1)
2= 2 -------------------------i
\alpha \times \beta = \frac{c}{ a}α×β=
a
c
4(-2) =-8/1
-8= -8 -----------------------ii
from eq i and ii we varified the relationship of zeros and coefficient
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