1 Use logarithms to solve the equation5^(x+3)=7^(x-1) .giving the answer correct to 3 significant figures. 相关知识点: 试题来源: 解析 Introduce logarithms and use power law twiceObtain (x+3)log 5=(x-1)log 7 or equivalentSolve linear equation for xObtain 20.1 ...
1 U Use logarithms to solve the equation 3 = 2+2, giving your answer correct to 3 significant figures.[4] 相关知识点: 试题来源: 解析 Attempt use of power law for logarithmsObtain xlog3 = xlog2 + 2log2 or equivalentAttempt solution for x of linear equationObtain 3.42 ...
9. Solve the following equation.e^(4-7x)+11=20 相关知识点: 试题来源: 解析 Step 1Before we put any logarithms into this problem we first need to get the exponential on one side by itself so let's do that first.e^(4-7x)=9Step 2Now we can take the logarithm of both sides and ...
We have already seen that everylogarithmic equationlogb(x)=ylogb(x)=yis equivalent to the exponential equationby=xby=x. We can use this fact, along with the rules of logarithms, to solve logarithmic equations where the argument is an algebraic expressi...
Solve the following equation ofx:2(log)xa+(log)axa+3(log)a2xa=0,a>0 View Solution View Solution Solve the following equations. (viii)log10(x−3)log10(x2−21)=12 View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7,...
Explore logarithms. Learn the definition of a logarithm and understand how it works. Discover interesting logarithm examples and find how they are expressed. Related to this QuestionSolve the equation. x^2-8x+7=0 Solve the equation: 3|x - 2| - 1 = 11 Solve the following equation. 2.76...
A logarithmic equation is one that contains logarithms (the exponent or power needed to raise a base) in its structure. To solve this type of equation, we use the properties of the logarithms, as well as their inverse properties, and algebraic operations....
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Answer to: Let p(t)= 10(0.001)^t and q(t) \log t^3. solve the equation q (p(t))=0 for __t__. By signing up, you'll get thousands of step-by-step...
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