Advertisements
Advertisements
प्रश्न
Use the formula to multiply the following.
(a + 6) (a − 6)
बेरीज
उत्तर
It is known that, (a + b) (a − b) = a2 − b2.
(a + 6) (a − 6)
= (a)2 − (6)2
= a2 − 36
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Use a suitable identity to get the following products.
(6x − 7) (6x + 7)
Simplify (4m + 5n)2 + (5m + 4n)2
Use an expansion formula to find the value.
(1005)2
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Use the formula to multiply the following.
(x + y) (x − y)
Expand: (10 + y)2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Factorise the following.
y2 + 18x + 65
Factorise the following.
18 + 11x + x2
The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocolates. Find the total amount paid by him in terms of x. If x = 10, find the amount paid by him.
