Factorise : x^2+1/4x^2-1
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Answer:
5x²-4/4
Step-by-step explanation:
x²+1/4x²-1
=x²+1x²/4-1
=x²+x²/4 -1
=4x²/4 + x²/4+ 4(-1)/4
=4x²+x²+4(-1) / 4
=4x² + x²- 4 / 4
=5x² - 4 /4
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