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Question

Find the value of (383.08)2(303.08)2686.16.



A

8

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B

383.08

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C

80

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D

800

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Solution

The correct option is B

80


We know that a2 - b2 = (a+b)(ab)

383.082 - 303.082
= (383.08 + 303.08)(383.08 - 303.08)
= 686.16 × 80

  (383.082)(303.082)686.16
= 686.16×80686.16
= 80


Mathematics

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