1.The value of sumr=110rbinom10r\\sum_{r=1}^{10} r\\binom{10}{r}sumr=110rbinom10r isa.5(29−1)5(2^9-1)5(29−1)b.10cdot2910\\cdot2^910cdot29c.9cdot289\\cdot2^89cdot28d.None of theseLogin to continueOnly logged in users canattempt or see the solution.
