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btech m2 unit-1 LINEAR differential equation|(1+x2)dy/dx+2xy−4x2=0|first order ordinary differential
btech m2 unit-1 LINEAR differential equation|(1+x2)dy/dx+2xy−4x2=0|first order ordinary differential
btech m2 unit-1 bernoullis  equation|first order ordinary differential equation|m2 important que