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=Hints for difficult problems =
 
=Hints for difficult problems =
 
#If P & q are the roots of the equation 2a^-4a+1=0 find the value of  
 
#If P & q are the roots of the equation 2a^-4a+1=0 find the value of  
p^3+q^3
+
p^3+q^3<br>
 
Pre requisites:
 
Pre requisites:
 
#Standard form of quadratic equation
 
#Standard form of quadratic equation
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#To find the sum of the roots of the quadratic equation using the formula
 
#To find the sum of the roots of the quadratic equation using the formula
 
#To find the product of the roots of the equation
 
#To find the product of the roots of the equation
# Using the identity rewriting p^3+q^3 as (p+q)^3-3pq(p+q)
+
# Using the identity & rewriting p^3+q^3 as (p+q)^3-3pq(p+q)
 
#Substitute the values of m+n & mn in (p+q)^3-3pq(p+q)
 
#Substitute the values of m+n & mn in (p+q)^3-3pq(p+q)
 
#Simplification
 
#Simplification
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