Question

Qual o valor de k nas retas
r: 2x + ky - 3 = 0 e s: 3x + 5y - 1 = 0 são perpendiculares? ​

Answer 1

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2×+ky-3=0

2×=-ky+3

×=-ky/2+3/2

×=-ky/2+3/2

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3×+5y-1=0

×=-5/3y+1/3

×=3×=-5y+1

×=-5/3y +1/3

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❤espero de ajudando❤