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Here is a calculation which is false but we have to find where is the mistake take place......Plz tell me that mistake with a satisfied reason....
Let....
2x= x + x
3x= x + x + x
nx= x + x + x +..........+x (n.times)
there fore
xx= x + x + x +............+x (x.times)
x2=x + x + x +........+ x
diff w.r.t. x both side
d(x2)/dx= d(x + x + x +........+ x)/dx
2x= 1+1+1+..........+1
2x=1*x bcoz it is x times in above 3 equations
2=1
plzzzzzzz sir tell me the mistake of this qus with reason,
n was a no. multiplied with x but when x is multiplied by x this thing is different as x is a variable and not constant.
u r differentiating w.r.t x ....till 2x=1+1+...+1 is correct but u can not write 1+1+1+.....x times =x as x is variable not a constant( u can write 1+1+1+.... n times = n because n is not a constant)it is hypothetically correct but mathematically incorrect... by doing this a variable will be introduced from a constant thing means 1+1+1.... is constant but x is variable
pls. approve the ans. if u agree with my opinion
Dear student,
There is error in differentiating RHS...
Hi friend,
that is exactly correct.Your brialliant
please,please,approave it.
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