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You would first of all establish which differentiation rule is required, for this question it would be useful to use the product rule splitting xcos(x) into x multiplied by cos(x). We can label u = x and ...

One of the key reasons as to why the United States sought détente, or an easing of relations, with the Soviet Union in the 1970’s was the internal domestic issues that arose out of the war in Vietnam. Sin...

Fish gills are made up of thin plates called gill filaments, which are covered in structures called lamallae. Both the gill filaments and lamellae provide a...

The perfect tense is used when we would like to describe an action that we have already done. It is usually formed by using the present tense of the verb avoir followed by a past participle. For example, ...

Si. La familia es un grupo de personas muy cercanas a quienes somos como humanos. La familia es muy importante ya que ellos se cuidan entre ellos y se muestran amor y paz.