12. Determine whether the following is true: (a) ≥3, EZ, 31(2²" - 1); n (n + 1)(2n +1) (b) 12+22+ 32 + +n 2. 6 Vn EZ,n 21.

Q: 25m² – 16 =

A: Simplify  25m2-16

Q: Find the area of the shaded region. The graph to the right depicts IQ Scores of adults, and those…

A:

Q: p2 sec? r³ dr

A:

Q: 12 R 10 5

A:

Q: E1 Q21

A:

Q: 7 11

A:

Q: 2x Ax) = %3D 2 - 1

A:

Q: 3p - p

A: Here Given that, 3p-p

Q: Q3 is incorrect.

A: data in ascending order:- 2, 12, 14, 28, 28, 30, 32, 34, 34, 34, 42, 44, 50, 52, 58, 60, 72, 78

Q: 6³ S 3s² +1 =ds

A:

Q: Using the sketch graphs of y = x' and x+ y=1, show that x' +x-1=0 has only one real root and state…

A: Sketch the graph of polynomial y=x3 and line x+y=1.                         From the graph it can…

Q: c2 Sí V4 – x²dx

A: The given integral is √(4-x2) limit from 0 to 2.

Q: {A €R?x2 | tr(A) = 0} | tr(A) — 0}

A: Here we take a general matrix of the given set then find the basis.

Q: 12

A: Explanation and solutions is given below....

Q: V415

A: Given query is to find the square root of 415.

Q: S V25 – 4x²

A: For the solution follow the next step.

Q: 7+9=?

A: We need to find the sum of 7 and 9

Q: 4т V17 3

A: Modulus function always gives positive quantity in result.

Q: A+12=13

A: Given,   A+12=13     We will solve it for the value of A

Q: 4a5b• V18a3b6

A: We have to find

Q: 7k = 91

A: We will find the value of k in the following step.

Q: 2t2 – 100 = 0 %3D

A: The solution is, t = ±5√2  The detailed solution is as follows below:

Q: S A+ AMQ for M.

A: NOTE: Refresh your page if you can't see any equations. .

Q: finf the

A:

Q: Q7 help me

A:

Q: H/4% 3D2%=5

A: This question is about simple multiplication.

Q: find 4 j! j30

A: Simply expand the summation and add all values after calculation.

Q: N 11 9

A: Here given that N/9=11

Q: N+2=4

A: The value is:-

Q: Q3 a and b

A: As you asked for only question number 3 both a. And b. So here it is.

Q: 15 + q/6 =-21

A: To find the value of q, 15 + q/6 = -21 => q/6 = -21 - 15