Math, asked by keshavkhandelwal2281, 2 months ago

Show that: a) (x² - y²)(x² + y²) + (y² - z²)(y² + z²)

Answers

Answered by rbeniwal313

1

Answer:

x⁴-z⁴

Step-by-step explanation:

(x²-y²)(x²+y²)+(y²-z²)(y²+z²)

(x⁴-y⁴)+(y⁴-z⁴)

x⁴-y⁴+y⁴-z⁴

x⁴-z⁴

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