यदि y = 34 + 3 × 54 × 8 + 3 × 5 × 74 × 8 × 12 + ... ∞ है, तो निम्नलिखित में से कौन-सा संबंध सही है?

The expansion of (1 + x2)-1/2 is:

If the coefficient of the 4th term in the expansion of (1 + x)n is 35, find the value of n.

The total number of terms in the expansion of (x + 3y)16 is: