Multiply: (Xy + 2b)(Xy - 2b)

Multiply: (xy + 2b)(xy - 2b)

बेरीज

(xy + 2b)(xy - 2b)

⇒ xy (xy - 2b) + 2b (xy - 2b)

⇒ x²y² - 2bxy + 2bxy - 4b²

⇒ x²y² - 4b²

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पाठ 13: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (C)

पाठ 13 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (C) | Q 7.06

Factorize 2( x + y)² - 9( x + y) - 5

What are the possible expressions for the dimensions of the cuboid whose volume is 3x² - 12x.

125 + 8x³ - 27 y³ + 90xy

If x² + y² = 29 and xy = 2, find the value of x + y.

What must be added to the following expression to make it a whole square?

4x²− 20x + 20

If x³ − 3x² + 3x − 7 = (x + 1) (ax² + bx + c), then a + b + c =

Divide:

n² − 2n + 1 by n − 1

Divide: 15x² + 31xy + 14y² by 5x + 7y

In a polynomial, the exponents of the variables are always ______.

A student wrote an algebraic expression for “5 less than a number n divided by 3” as `n/3 - 5`. What error did the student make?