Npr =n(n-1)p(r-1) plzzz i need the solution
Answers
Answer:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
n*p*r-(n*(n-1*p*r-1))=0
Step by step solution :
STEP1:Equation at the end of step 1
npr - n • (n - pr - 1) = 0
STEP2:
STEP3:Pulling out like terms
3.1 Pull out like factors :
-n2 + 2npr + n = -n • (n - 2pr - 1)
Equation at the end of step3:
-n • (n - 2pr - 1) = 0
STEP4:Theory - Roots of a product
4.1 A product of several terms equals zero.
When a product of two or more terms equals zero, then at least one of the terms must be zero.
We shall now solve each term = 0 separately
In other words, we are going to solve as many equations as there are terms in the product
Any solution of term = 0 solves product = 0 as well.
Solving a Single Variable Equation:
4.2 Solve : -n = 0
Multiply both sides of the equation by (-1) : n = 0
Solving a Single Variable Equation:
4.3 Solve n-2pr-1 = 0
In this type of equations, having more than one variable (unknown), you have to specify for which variable you want the equation solved.
We shall not handle this type of equations at this time.
One solution was found :
n = 0
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