Step 2:
Find the general terms T r + 1 in the expansion of (1+x) n..
Step 2:
Assume the validity of the result for n equal to some arbitrary but fixed natural number, say, ..
Step 2:
Our object is to minimise the product xy. Let Z = xy. We have to maximise..
Step 2:
Calculate the squares of these deviations and then apply the formula wher..
Calculate the squares of these deviations and then apply the formula wher..Linear equations in two variables
A Linear equation is a first degree algebraic expression with one,two or more variables equated to a constant. Graphically a linear equation with one or two variables is a straight line whereas one with three variable..
Linear equations in two variables
A linear equation of the form ax + by + c = 0 where a = 0, b 0 is called a linear equation in two variables. An equation is called a Linear equation in one variable or an equation of degree one in one va..
Linear equations in two variables
An equation whose graph is a straight line is called a linear equation. (linear means straight). An equation of degree one is linear. A linear equation in two variables is of the form ax + by = c,where ..
An equation whose graph is a straight line is called a linear equation. (linear means straight). An equation of degree one is linear. A linear equation in two variables is of the form ax + by = c,where ..Step III:
Reducing to variables separable ..
Reducing to variables separable ..Step 1:
ax 2 + 2hxy + by 2 + 2gx + 2fy + c =..
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