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प्रश्न
Find the following squares by suing the identities.
(6x2 − 5y)2
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उत्तर
(6x2 − 5y)2 = (6x2)2 − 2(6x2) (5y) + (5y)2 [(a − b)2 = a2 − 2ab + b2]
= 36x4 − 60x2y + 25y2
संबंधित प्रश्न
Use a suitable identity to get the following products
(2a − 7) (2a − 7)
Which of the options given below is the square of the binomial `(8-1/"x")`?
Use an expansion formula to find the value.
(997)2
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(97)2
Simplify: (a + b)2 – 4ab
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 6x + 9
Factorise the following.
y2 + 7y + 12
The area of a square is given by 4x2 + 12xy + 9y2. Find the side of the square.
Take suitable number of cards given in the adjoining diagram [G(x × x) representing x2, R(x × 1) representing x and Y(1 × 1) representing 1] to factorise the following expressions, by arranging the cards in the form of rectangles: x2 + 4x + 4. Factorise 2x2 + 6x + 4 by using the figure.
Calculate the area of figure.
