Math, asked by krishnabranwal8434, 5 days ago

using suitable identity, evaluate 1 1215 * 1185
My self Krishna Kumar class 8 age 14 from Dhanbad

Answers

Answered by DorothiOfOz

2

Answer:

1439775

Step-by-step explanation:

1215*1185

= (1200+15) * (1200-15)

= 1200^2 - 15^2

= 1440000 - 225

= 1439775

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