2 2 n(n-1)x", n²-n 37

Q: Show that P(n, 1) + P(n, 2) = (22) – 2 (2), for integers n ≥ 2.

A:

Q: 3 21. (k +1) k=1

A: The given expression is, ∑k=13(k2+1) To find the sum of the expression from k=1 to k=3 substitute…

Q: 1 L [s² +2s+5)

A: Let's find.

Q: Solve for n if P(n,5)=120C(n,3)

A: The objective is to calculate the value of n, for which the following equation is…

Q: 16 If X-B (4, p) and P (X=0)=- then P (X=4) 81

A:

Q: O True (²7.¹7 (²77)) ²1¹7A (2)

A: This expression is False

Q: what are the first three terms in the binamial, expansion of (2a-0,5b) 1.

A: Given

Q: Find L S s²-48-7 Find L¹ 2s+6 s² +6s+34

A:

Q: Prove that if n = nxn-1 holds integer value of -n, which means that for a positive integer value n,…

A: We have given that ddxxn=nxn-1 for any positive integer n. We need to show that, ddxx-n=-nx-n-1. We…

Q: Find (4t + 1)u(t-1)} e-5(55+4) s² a. b. C. d. O Ob OC Od 3e-s 5² S e $(5s + 1) s² e-5(55-4) 5²

A:

Q: 17. lim 12n+9 5n - 1 12

A: Consider the given limit  limn→∞5n-112n+9

Q: 13D 43. If a > 1 and b < 0, then 1-101 (A) (B) 1 9 (a) (D) b(a+1) (E)

A:

Q: 22. The expression (x-10)(x*) is equivalent to x". What is the value of n?

A:

Q: 3/2+8(1)

A: Solve the expression as follows.