Question

Find the amount donated by sunita to orphanage children
(a)Rs 588 b)Rs 488 c)Rs 388 d)Rs688

(ii)
Write formula (x-y)3
(a)x3-y3-3x2y+3xy2 (b) x3+y3-3x2y-3xy2
(c) x3+y3-3x2y+3xy2 (d) x3-y3-3x2y-3xy2

(iii)
If x+1/x=6 then amount donated by Sunita to orphanage children
(a)Rs188 b)Rs198
c)Rs208 d)Rs218

(iv)
Write the formula for x3+y3
(a)(x+y)(x2-xy+y2) (a)(x-y)(x2+xy+y2)
(c)(x-y)(x2-xy-y2) (d) (x+y)(x2+xy+y2)

(v)
Which message is provided by the question?
(a)Charity (b)To show off money
(c)Cheating (d)none

Answer 1

Answer:

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