Advertisements
Advertisements
Question
Using identity, find the value of (100.1)2
Sum
Advertisements
Solution
(100.1)2 = (100 + 0.1)2
Substituting a = 100 and b = 0.1 in
(a + b)2 = a2 + 2ab + b2, we have
(100 + 0.1)2 = (100)2 + 2(100)(0.1) + (0.1)2
(100.1)2 = 10000 + 20 + 0.01
(100.1)2 = 10020.01
shaalaa.com
Is there an error in this question or solution?
Chapter 3: Algebra - Exercise 3.3 [Page 69]
APPEARS IN
RELATED QUESTIONS
Use a suitable identity to get the following products.
(a2 + b2) (− a2 + b2)
Using identities, evaluate (5.2)2
Using identities, evaluate 297 × 303
Of which of the binomials given below is m2n2 + 14mnpq + 49p2q2 the expansion?
Use the formula to find the value.
502 × 498
Factorise the following using suitable identity
36m2 + 60m + 25
(a + b)2 = a2 + b2
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 12x + 36
Factorise the following, using the identity a2 + 2ab + b2 = (a + b)2.
x2 + 14x + 49
Verify the following:
(7p – 13q)2 + 364pq = (7p + 13q)2
