Question

show that area of the triangle formed by lines y = m₁x+c₁ , y= m₂x+c₂ and x = 0 is c₁-c₂ m₁-m₂
$\frac{(c₁-c₂ ) {}^{2} \ \textless \ br /\ \textgreater \ }{2 \: |m₁-m₂|}$

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Answer 1

Step-by-step explanation:

Calculate the Fourier Series of f(x) = |x|

Assume the period to be -π to π.

Answer 2

Step-by-step explanation:

The mean and standard deviation of a group of 100 observations were found to be 20 and 3 respectively. Later on it was found that three observations were incorrect which were recorded as 21,21 and 18. Find the mean and standard deviation if the incorrect observation are omitted

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show that area of the triangle formed by lines y = m₁x+c₁ , y= m₂x+c₂ and x = 0 is c₁-c₂ m₁-m₂

$\frac{(c₁-c₂ ) {}^{2} \ \textless \ br /\ \textgreater \ }{2 \: |m₁-m₂|}$

@ritradas79