Question

Evaluate the following by using Identity II.
i) (48)2
ii)(19.9)2​

Answer 1

Step-by-step explanation:

i)(50-2)2=(50)2+(2)2-2×50×2

2500+4-200

2504-200

2304

ii)(19.9+0.1)2

396.01+0.01+3.98

400