A)x^-3*x^2:x^-4=.B) x^5*x^6:x^3=.C) (3/4)^-2=.D( (1.1/3)^-3= .C)X^5*X^-3:X^4=
WYTŁUMACZYZ TE PRZYKŁADY
A)x^-3*x^2:x^-4= x^(-3+2 -(-4)) = x^(-1+4) = x^3
wzory:
a^m * a^n = a^(m+n)
a^m: a^n = a^(m-n)
.B) x^5*x^6:x^3=. x^(5+6-3) = x^8
C) (3/4)^-2=(4/3)^2 = 16/9 = 1 7/9 ( (a/b)^-m = (b/a)^m)
D( (1.1/3)^-3=(4/3)^-3 = (3/4)^3 = 27/64
.C)X^5*X^-3:X^4= x^(5+(-3)-4) = x^(-2)= 1/x^2
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A)x^-3*x^2:x^-4= x^(-3+2 -(-4)) = x^(-1+4) = x^3
wzory:
a^m * a^n = a^(m+n)
a^m: a^n = a^(m-n)
.B) x^5*x^6:x^3=. x^(5+6-3) = x^8
C) (3/4)^-2=(4/3)^2 = 16/9 = 1 7/9 ( (a/b)^-m = (b/a)^m)
D( (1.1/3)^-3=(4/3)^-3 = (3/4)^3 = 27/64
.C)X^5*X^-3:X^4= x^(5+(-3)-4) = x^(-2)= 1/x^2