HARD
Earn 100

Consider the equation 1+a+b2=31+a2+b2, where a, b are real numbers. Then

50% studentsanswered this correctly

Important Questions on Algebraic Expressions

EASY
If x-1x=4 then x2+1x2 is equal to:
MEDIUM

(a-b)3+(b-c)3+(c-a)33(a-b)(b-c)(c-a)=?

What is the value of above expression?

MEDIUM
If  x=2+32-3, then what is the value of  x+1x?
EASY
If y=2-x-x1+1+x, then what is the value of 1y+1+2y+1y2-1?
EASY

Expand : W-92

1. W2-9W+81

2. w2-9W+18

3. W2-18W+81

4. W2-18W-81

EASY
If x+1x=4, then what is the value of x6+1x6
EASY
If 5x+13x=4, then what is the value of 9x2+125x2?
MEDIUM
8.73×8.73×8.73+4.27×4.27×4.278.73×8.73-8.73×4.27+4.27×4.27 is equals to :
EASY

Write the following statement in the form of equation. If you take 9 from 5 times x, then you get 85-

MEDIUM
If (5x+2y)(10x+3y) = 5:9, then (2x2+3y2):(4x2+9y2)=?
HARD
If a, b are natural numbers such that 2013+a2=b2, then the minimum possible value of ab is
EASY
If x-1x=2, then what is the value of x2+1x2?
EASY
If x=2+3, then what is the value of  2x+12x?
MEDIUM
If x-y=4 and xy=45, then the value of x3-y3 is:
EASY
If 20x2-30x+1=0, then what is the value of 25x2+116x2?
EASY
x2(x-4)2(x+4)2-4x÷(x2-4x)3(x+4)2×64-x316-x2 is equal to:
EASY
If x = 2 + 12 - 1 and y = 2 - 12 + 1, what is the value of x + y?
MEDIUM
Let x,y,z be non-zero real numbers such that xy+yz+zx=7 and yx+zy+xz=9, then x3y3+y3z3+z3x3-3 is equal to