Find, if possible, A + B, AB, 2A, 2A - B, and B + 2 1 4 A = 3 4 B = 1 5 -6 5 1 10. (a) A + B www

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A:

Q: 2(54-4)+86

A:

Q: Find the Rank of B 2. 2 B= 24 2

A: According to question,Given matrix,B = 212243212

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A:

Q: Find A + B. [-3 3 -91 A =7 6. B= 5 4 2 4 6 8 4 2

A: To find A+B

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A: The given expression is;

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A: this is a simple calculation question we will simplify this by normal calculation.

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Q: Multiply.

A: Use the defintion of square to write the given expression as follows.

Q: 1. Multiply and simplify. a? -2a –15 2a -6 a? -9 a? +a-30 2

A: Simplied answer is given.

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

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A:

Q: 7 - 5 (10+8x)=37

A:

Q: 1+2+3+......+100

A: Concept Used: Arithmetic Progression : If S=1+2+3+.......+n then first term of the sum is 1 and last…

Q: 8 + 7(42 - 3)

A: 8 + 7(42 - 3) = ?

Q: Subtract. 3. b²+7b+12 b² + 5b + 6 9G + ,9 b+7b+12 b +5b +6 (Simplify your answer.)

A: To subtract the given terms