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1500-20002000-2500B)1)Solve the following equations. (any two)Sachin invested some amount in National Saving Certificates in a specific way. In the first year heinvested Rs. 4000, in the second year Rs. 6000 in the third year Rs. 8,000 and so on for 12 years. Findthe total amount he invested in 12 years.If the sum of the roots of quadratic equation ax2 + bx+c=0 is equal to the sum of the squares of theirreciprocals, then prove that 2ca?=bc2+ab2 |
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