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Let the total invest =12 and total time =12 Profit =invested amount ×time Invest amount and time of A =12/6=2 and 2 Invest amount and time of B =12/4 =3 and 3 Invest amount and time of C =7 and 12 ABC The ratio of Profit2×23×3(12-5) ×12 4:9:84 ATQ- 4+9+84 =97 97 =1940 unit 1=20unit. Then share of B =9×20=180.
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The value of tan2 θ + cot2 θ − sec2 θ cosec2 θ is:
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