Which of the following sets are empty sets? (a) {x | x is a real number and x^2-1 = 0} (b) {x | x is a real number and x^2+1 = 0} (c) {x | x is a real number and x^2 = -9} (d) {x | x is a real number and x = 2x + 1} (e) {x | x is a real number and x = x + 1}

Q: 65. (x + 3)(x - 3)(4x2 - 9)

A: Given: Let p=x+3x-34x2-9 To Find: To evaluate the given expression.

Q: how does the a in the second row become a 0

A: It is given that the row operations are performed on matrices as, 010-10a0-a0~01a-10a000~-10a010000…

Q: Expand and simplfy  (x-3)(x+6)

A: We need to expand and simplify (x-3)(x+6)

Q: Divide (X3 + 8X2 + 5X – 14) by (X – 3) X2 + 11X + 38 + 100/(X - 3) None of these. x2 + 5X – 10 +…

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Q: (-4)^2 x (7-9)^2 + (3+4)^2=

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Q: 0² d0

A:

Q: 5[3m - (m + 4)] > -2(m - 4)

A: topic:- algebra

Q: Simplify 3(4-x)2 x (-1) x (2x+3)2 + (4-x)2 x 2(2x+3) x (2)

A: Use algebraic identities and then simplify

Q: Let F = (Use symbolic notation and fractions where needed.) (6x-2zx²,4z - xy, 8z²x²). Calculate div…

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Q: 8/(x+1) - 3/2 = 4/(3x+3) What is x?

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Q: Simplify x-1/2(x/5 – x) + (* ¬/5 – 1) (x^/?), -

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Q: Expand (x²n + 2x"y" + y2n)(x2n – 2x"y" + y2n)

A: To evaluate: x2n+2xnyn+y2nx2n-2xnyn+y2n We know that xm×xn = xm+n