The first step in factorizing algebraic expressions is to take out the common factors of all the terms of the expression.For example,2x^2+14x+24=2(x^2+7x+12)=2(x+3)(x+4) The three identities are also useful in factori...The first step in factorizing algebraic expressions is to take out the common factors of all the terms of the expression.For example,2x^2+14x+24=2(x^2+7x+12)=2(x+3)(x+4) The three identities are also useful in factorizing some quadratic expressions:展开更多
1.Control systems with distributed parameters can be considered as systems of infinite number of degrees of freedom. Therefore the optimal control problems in such systems can be treated naturally by using functional ...1.Control systems with distributed parameters can be considered as systems of infinite number of degrees of freedom. Therefore the optimal control problems in such systems can be treated naturally by using functional analysis. Let be a real Hilbert space, in展开更多
文摘The first step in factorizing algebraic expressions is to take out the common factors of all the terms of the expression.For example,2x^2+14x+24=2(x^2+7x+12)=2(x+3)(x+4) The three identities are also useful in factorizing some quadratic expressions:
文摘1.Control systems with distributed parameters can be considered as systems of infinite number of degrees of freedom. Therefore the optimal control problems in such systems can be treated naturally by using functional analysis. Let be a real Hilbert space, in