Question

10. For x = 2 and y = -3, verify the following: (i) (x + y)2 = x2 + 2xy + y2 (ii) x2 - y2 = (x + y) (x - y) (0) (x + y) = x3 + y3 + 3x²y + 3xy2. (iii) (x - y)2 = x2 - 2xy + y2 (iv) (x + y)2 = (x - y)2 + 4xy​

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Answer 1

• Step-by-step explanation:
• Step-by-step explanation:iv) (x+y)^2=(x-y)^2+4xy
• Step-by-step explanation:iv) (x+y)^2=(x-y)^2+4xywhere x=2 and y=-3
• Step-by-step explanation:iv) (x+y)^2=(x-y)^2+4xywhere x=2 and y=-3put these in above
• Step-by-step explanation:iv) (x+y)^2=(x-y)^2+4xywhere x=2 and y=-3put these in above(2+(-3))^2= (2-(-3))^2+4(2)(-3)
• Step-by-step explanation:iv) (x+y)^2=(x-y)^2+4xywhere x=2 and y=-3put these in above(2+(-3))^2= (2-(-3))^2+4(2)(-3)(-1)^2=(5)^2-24

.1=25-24

.1=1