kodiokonkwop4h7a2 kodiokonkwop4h7a2
  • 17-08-2018
  • Mathematics
contestada

if (5x^4)(2x^6)=ax^b, what is the value of a-b?

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WojtekR
WojtekR WojtekR
  • 17-08-2018

[tex] (5x^4)(2x^6)=(5\cdot2)(x^4\cdot x^6)=10x^{4+6}=10x^{10}=ax^b [/tex]

so

​[tex] a=10\qquad b=10 [/tex]

and

[tex] a-b=10-10=\boxed{0} [/tex]

Answer Link
konrad509
konrad509 konrad509
  • 17-08-2018

[tex] 5x^4\cdot2x^6=ax^b\\10x^{10}=ax^b\\a=10 \wedge b=10 [/tex]

[tex] a-b=10-10=0 [/tex]

Answer Link

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