Kamal started his new business. The first day he gained a profit of Rs.1, 2 rupees on the second day, 4 rupees on the third day, then 8, 16, 32 rupees profit. That is, the profit is doubling every day. What is the total profit of Kamal in 20 days?
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his profit is in the form of 2 power x
his profit = 2¹+2²+2³+2⁴+2⁵+2⁶+2⁷+2⁸+2⁹+2¹⁰+2¹¹+2¹²+2¹³+2¹⁴+2¹⁵+2¹⁶+2¹⁷+2¹⁸+2¹⁹+2²⁰
=2+4+8+16+32+64+128+256+512+1024+2048+4096+8192+16,384+32,768+65,536+1,31,072+2,62,144+5,24,288+10,48,576
His total profit = 20,96,117
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