(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

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Q: 2/10n+12+3r

A: Given 2(10n+12+3r)=2(10n)+2(12)+2(3r)

Q: Choose the right answer among the italicized choices 1. is (8-9, cube root of -1) = (-1,-1) or…

A:

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

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

Q: 2) Find the quotient of and - 3 3) − 1 -/-/- × (-30 – 10

A: Solve

Q: 4) 6x + 2y = -7 4x – 4y = 22 ofthe ear and their

A: Given equation

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: 90 1) Let it be 2P + 50 = 2C2, then the value of n is: c) 7 b) 5

A:

Q: Given that a =(-5, 1), b = (-5, -2), and c = (-1, 1), find the number. (Round your answer to one…

A: Find your answer below

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: 1 d 2n=1 =1n+n ur

A: Here we have to calculate:- ∑n=1∞1n2+n=∑n=1∞1nn+1

Q: ふッ5x+6 G6)= 5x+6 ×そ3 FOR Kメ-3 Fot Xニ-3 WHAT IS K

A: Gx=x2+5x+6x+3    for x≠-3        k           for x=-3   Now, G-3=k &…

Q: 51 -1 4l* 3 Q2) If A = |, and B =Ľ show that -2 (A + B)² # A² + B² + 2AB

A: Given: A=12-21 and B=35-14Then A+B=12-21+35-14=47-35(A+B)2=A+B×A+B=47-35×47-35=-563-274

Q: Find integers ? and ? such that 3220? + 6006? = gcd(3220,6006).

A: Remark: The greatest common divisor (gcd) of two integers is the greatest integer that divides both…

Q: let a,b,c,d,e and f be different positive integers so that a² - b² = c² - d² = e² - f² = 63. Value a…

A: Given:- a,b,c,d,e and f are different positive integers.  also a2-b2=c2-d2=e2-f2=63. To find :- the…

Q: What is the solution set of the equation |3x + 1| = 8?

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Q: (2x+1)2= 10x - 1 options: A). -5 B). -5/2 C). 3/2 D). 5/2

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Q: 7 - 5p + 3q  p = 1  q = 7

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Q: d) √23-√37 √23+√37

A:

Q: x³ +x² +x+7 x² – 1

A:

Q: a) 2x? + 3x + 5 = 0 -4 b) 4 and 2j13 :9 c) 4t? - 5t + 7 = 0

A: (a). Given expression is 2x2 + 3x + 5 = 0⇒ x = -3±9-404       = -3 ± -314       = -34 + 314j  ,  -34…

Q: Solve for x x2-x-6 2x+12 x-6 2x

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Q: What is the inverse of the function f(x) = log5(-x – 3) ?

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Q: can you show A + 2B = 5 and 4A + b = 6 to get A = 1 and B = 2 in case 2,

A: Let's solve.

Q: 10) Find mMX 6x + 4 7x+13 6x + 14 7.

A:

Q: Put I, in equ (1) 80 = 61 + 6( 1² + 1) 12 3 -- I = 7amp.

A:

Q: D -7 = -9+ V12 – a 2) 0 = 4v-6 –n 3) 7v12x + 4 = 56

A: Given equations are  (1) -7=-9+12-a (2) 0=4-6-n (3) 712x+4=56

Q: 2. Which expression is a factor of x² + 2x - 15 1) (х- 3) 2) (x + 3) 3) (x + 15) 4) (х - 5)

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Q: B) Find m42 if mz1 = (4x - 7)º and m42 (10x+13)°. +11 = 2 P

A: To find m∠2 if m∠1=4x-7° and m∠2=10x+13°.

Q: 7.) Simplify: (» + 4) + (» – 1)

A: I have used the properties of addition of rational nimbers

Q: 27a³b?c Simplify: -3abc

A: Here we have to simplify the given expression. We have  27a3b2c-3abc Now we can write  27 = 3*3*3…