Question

$y = 1 \div x { }^{2} - a { }^{2} then \: d { }^{2} y \div dx { \:}^{2} \: differensiate$
plese tell me answer​

Answer 1

Answer:

In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.

Answer 2

Step-by-step explanation:

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