Evaluate the following expressions using suitable identities. (5)
(a) (104)³
(b) (98)³
(c) 504 × 503
(d) 47 × 36
(e) (181)²– (19)
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Answer:
104×104×104=
98×98×98
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1) 104x104x104=1124864
2)98x98x98=941192
3) 504x503=253512
4) 47x36=1692
5) 181x181-19=32761-19,32742
2)98x98x98=941192
3) 504x503=253512
4) 47x36=1692
5) 181x181-19=32761-19,32742
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