(p-q)^(q→r) 5:23 a) tautologies c) contraction 50 of 50 b) not one of the previous answers Back a ☐ b a b Find n given that Σ-1(2k+3)=1517 a) n-5 c) n=1 b) n-3 d) not one of the previous answers حسین today at 5:21 PM E 52 闫

Q: Do b

A:

Q: Why is 2+2=4 not 5 ? 3:24

A: Proof by contradiction

Q: -616+4√81 + √192

A:

Q: b) 4a + b = 5 8a - b = 1

A: 4a + b = 5 8a - b = 1   Now solve for a and b constant

Q: Given A= 7 2 80 and B= - 2 3 find: a) A+B, b) A-B, c) 2A+5B

A: We need to find out the values as given.

Q: Q) find Projs ぶっi+) +3K, 5こてi-j+k

A: Given vector is : a→=i+2j+3kb→=2i-j+k To find the projection of b→ on a→.

Q: 6) Given: m22= 5x+ 68; m 4=11x+56 Find: m1

A:

Q: d) √23-√37 √23+√37

A:

Q: Which equation is true when x= -18? A) ½x+8= 12 B) 8-½x= -8 C) 12+½x= 3 D) 3-½x= 8

A: We have to find which equation is true when x=-18. Equation will be true when x=-18 if it satisfy…

Q: 32r+3 = 34)

A: Given- 32x+3=3x2 To find- The value of the variable x.

Q: Solve for x, algebraically: a) 4(2x) - 6 = 122 (+4=31 b) 3) +

A:

Q: c) Given (2 + ax)(1+ bx)7 = 2-41x +357x² ... where a and b are integers. Determine the value of a…

A: