1. $$\frac{{\sqrt {4{{\text{p}}^2} - {{\text{q}}^2}} }}{6}$$
  2. $$\frac{{4{{\text{p}}^2} - {{\text{q}}^2}}}{6}$$
  3. $$\frac{{{{\text{p}}^2} - {{\text{q}}^2}}}{4}$$
  4. $$\frac{{{{\text{p}}^2} + {{\text{q}}^2}}}{4}$$
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1 Answers

Answer: Option 1

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