Question

Mr das wants to invest ₹12000 in public provident fund and in national bomds. He has to invest at least ₹1000 in PPF and at least ₹2000 in bonds. If the rate of interest on PPF is 12% per annum and that on bomds is 15% per annum,how should he invest the money to earn maximum annual income?also find the maximum annual income

Y=3+2√2
√2(y²-y-²)=?

Y=3+2√2 √2(y²-y-²)=?

∫_a^b e^-x dx

18.If A =   α tan  2 2 and I is the identity matrix of order 2, show that  0  cos α − sin α 

1. Why was edison

Why was edison