evaluate the following using a suitable Identity (103)³
Answers
Answered by
0
Step-by-step explanation:
((103)
3
=(100+3)
3
=(100)
3
+3
3
+3×100×3(100+3)
=1000000+27+90000+2700 =1092727
(99)
3
=(100−1)
3
=(100)
3
−1
3
−3×100×1(100−1)
=1000000−1−30000+300 =970299
Answered by
0
Answer:
by using identity
( a+b )³ = a³ + 3a²b + 3ab² + b³
(100+3)³ = (100)³ + (3×100)² × 3 + 3×100×(3)² + (3)³
= 1000000 + 9×10000 + 300×9 + 27
= 1000009 + 90000 + 2700 + 27
= 190000 + 2727
= 192727 (ans)
Request:
please mark as brainliest
Attachments:
Similar questions