prakritisamikshya111
prakritisamikshya111 prakritisamikshya111
  • 20-07-2021
  • Mathematics
contestada

If p =(3x+1) and q = ( 3x-1),show that : pq+1 =x2
​

Respuesta :

adioabiola
adioabiola adioabiola
  • 25-07-2021

Answer:

See explanation

Step-by-step explanation:

It should be 9x² not x²

p = (3x + 1) and q = (3x - 1)

pq + 1 = (3x + 1)(3x - 1) + 1

= (9x² - 3x + 3x - 1) + 1

= (9x² - 1) + 1

= 9x² - 1 + 1

= 9x²

Therefore,

pq + 1 = 9x²

Answer Link

Otras preguntas

what does it mean to have no 'hope in hell'?
The greatest common factor of 3m2n + 12mn2 is
what is case-based reasoning?
the measures of an exterior angle and the adjacent interior angle add p to 360 because they form a linear plane?
Why does the world fight over things constantly?
Rationalise:(1)              4/(2+root3+root7)(2)              4/(2root3+root5)
what does it mean to have no 'hope in hell'?
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish sc
what is case-based reasoning?
The width of a rectangle is 4 less than half the length. If represents the length, which equation could be used to find the width, w?