If $$ {x\over y}={y\over w}$$ then what is the value of (xy+zw).
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Q:
If $$ {x\over y}={y\over w}$$ then what is the value of (xy+zw).
- 1$$ {(x^{2}+z^{2})(y^{2}+w^{2})}$$true
- 2$${(x^{2}{y^{2}+z^{2}w^{2}})}$$false
- 3$${(x^{2}{w^{2}+y^{2}z^{2}})}$$false
- 4$$ {(x^{2}+w^{2})(y^{2}+z^{2})}$$false
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