evaluate (898)*2 by suitable identies
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Answered by
0
Answer:
(898)²
(100-2)²
Using (a-b)²=a²+b²-2ab
100²+2²-2×100×2
10000+4-400
10004-400
9604
Hope it helps you!
Answered by
0
Answer:
(898)² = 806404.
Step-by-step explanation:
= (898)².
= By using 2nd identity [ (a - b)² = a² + b² -
2ab. ]
= (900 - 2)².
= (900 - 2)².
= (900)² + (2)² - 2(900)(2).
= 810000 + 4 - 3600.
= 806404.
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