Q13 of 32 Page 2

Evaluate 106 × 94.

Concept Used:


(a + b)(a – b) = a2 – b2


Explanation:


Let a = 100 and b = 6


Then,


106 × 94 = (100 + 6)(100 – 6)


106 × 94 = (100)2 – (6)2


106 × 94 = 10000 – 36


106 × 94 = 9964.


More from this chapter

All 32 →
11

Find the product (3x – 7)(3x + 7) using a suitable identity.

 12

Factorize: 64a3 – 27b3 – 144a2b + 108ab2.

 14

Expand x8 – 256.

 15

Check whether 7+3x is a factor of 3x3 + 7x.