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```                   if median of triangle are 5cm,6cm,7cm then find the area
```

3 years ago

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```                                        In case of mediansRemember the following formulae$A=(4/3)\sqrt{s_{m}(s_{m}-m_{1})(s_{m}-m_{2})(s_{m}-m_{3})} \\$Arun KumarIIT DelhiAskiitians Faculty
```
one year ago

what are some important value we can earn in studying arithmetic progression and geometric progression

Understanding AP and GP will let you understand how the series can be solved easily which increases or decreases by the fixed ratio or distance. Thanks

 Vijay Mukati 3 months ago
prove that the triangle which has one of the angles as 60 degree, can not have all vertices with integral coordinates

If we take origin and two arbitrary coordinates with lines passing through them. calculate slope. slope difference between can not be 60.

 Charchit Tailong 2 months ago
I m having problem in these two questions: 1) f(x)=x^3+6x^2+(9+2k)x+1 is increasing if k is 2)f(x)=cosx-2PX is monotonically decreasing for p:

HInt: 1. If we diffirenciate a cubic equation, we get the quadratic equation. Not for cubic polynomial to be increasing function, its derivative should be positive, i.e. quadratic polynomial...

 Vijay Mukati 2 months ago
find the equation of a plane which is at a distance of 3 root 3 units from the origin and the normal to which is equally inclined to the coordinate axes.

Hi, You know the direction cosine of normal to the plane and u know the point lying on that plane ( say, (3,3,3) in first quadrant) .So, you would get four such planes depending on the...

 Shobhit Varshney 11 months ago
(p/(1-(x^p)))-(q/(1-x^q))) where li tends to 1 and p and q are natural number

= At x tending to 1, it is of indeterminant form 0/0. Using L-Hospital rule

 Anoopam Mishra one month ago

This is again of 0/0 form. Again use L-Hospital rule Now putting x=1.

 Anoopam Mishra one month ago
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