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Difference between two numbers is 9 and difference between their squares is 981. Lowest of the two numbers is-
Solution
Let the two numbers be a and b (a > b)a − b = 9 ——(1)a2 − b2 = 981(a − b) (a + b) =...
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a2 − b2 = (a − b) (a + b)
Study the passage carefully and answer the following questions. India is chiefly an agricultural land. The cultivation of crops depends on a proper supply of water throughout the year. Since olden times, large parts of our country have suffered from occasional periods of too much rain and those of drought. People have known that if…
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