Q8 of 118 Page 17

Mark the correct alternative in the following:
If , then x =

ⁿC_r + ⁿC_r+1 = ⁿ⁺¹C_x (Given)

Now, we have ⇒

ⁿC_r + ⁿC_r-1 = ⁿ⁺¹C_r ⇒ (1)

From (1) and (Given) we have,

ⁿ⁺¹C_r+1 = ⁿ⁺¹C_x

r + 1 = x ( ⁿC_{x =} ⁿC_y ⇒ n = x + y or x = y )

Mark the correct alternative in the following:

If, then

Mark the correct alternative in the following:

If , then n =

Mark the correct alternative in the following:

If , then a =

Mark the correct alternative in the following:

is equal to

Mark the correct alternative in the following:If , then x =