Advertisements
Advertisements
प्रश्न
Use an expansion formula to find the value.
(97)2
Advertisements
उत्तर
It is known that (a + b)2 = a2 + 2ab + b2 and (a − b)2 = a2 − 2ab + b2
(97)2
= (100 − 3)2
= (100)2 − 2 × 100 × 3 + (3)2
= 10000 − 600 + 9
= 9409
संबंधित प्रश्न
Use a suitable identity to get the following products.
(1.1m − 0.4) (1.1 m + 0.4)
Find the following squares by suing the identities.
`(2/3 m + 3/4 n)^2`
Simplify (a2 − b2)2
Which of the options given below is the square of the binomial `(8-1/"x")`?
Use the formula to find the value.
54 × 46
Expand: (2x + 3y)2
Factorise the following using suitable identity
36m2 + 60m + 25
Factorise the following using suitable identity
a2 + 6ab + 9b2 – c2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
9x2 + 24x + 16
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
