Advertisements
Advertisements
Question
If m = -2 and n = 2; find the values of m2 + n2 - 2mn.
Advertisements
Solution
∴ m2 + n2 - 2mn
Put m = -2, n = 2
`= (-2)^2 + (2)^2 - 2(-2) (2)`
= 4 + 4 - (- 8)
= 8 + 8
= 16
APPEARS IN
RELATED QUESTIONS
Evaluate: (26)0
Simplify, giving Solution with positive index
(- a5) (a2)
Simplify, giving Solution with positive index
x2a +7. x2a-8
Simplify, giving Solution with positive index
(a10)10 (16)10
Simplify, giving Solution with positive index
(4x2y3)3 ÷ (3x2y3)3
Simplify, giving Solution with positive index
`(1/("4ab"^2"c"))^2 div (3/(2"a"^2"bc"^2))^4`
Simplify and express the Solution in the positive exponent form:
`((2^3)^5 xx 5^4)/(4^3 xx 5^2)`
Simplify and express the Solution in the positive exponent form:
`(36 xx (-6)^2 xx 3^6)/(12^3 xx 3^5)`
Simplify and express the Solution in the positive exponent form:
`- 128/2187`
Simplify and express the Solution in the positive exponent form:
`("a"^-7 xx "b"^-7 xx "c"^5 xx "d"^4)/("a"^3 xx "b"^-5 xx "c"^-3 xx "d"^8)`
