Example 22:AMC)The number of real solutions17(x,y,z,w)of the simultaneous equations 2y =x2z=y+17,20=z+17,2x=w+17is().17(A)1(B)2(C)4(D)8(E)16Example 22:(AMC)The number of real solutions (x,y,z,w)of the simultaneous equations 2y =x+ 172z=y+y 172W=2+ 172x=W...
Problem 12: Find the number of real solutions of the equation x-51+|x-7|=2 There is/are ( ).(A)5(B)7(C)0(D)2(E) more than 7 相关知识点: 试题来源: 解析 Problem 12: Solution: (E). The critical points of the absolute value equation |x-5|+|x-7|=2 are 5 and 7. The...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...
1. For x=2: - log22=1 (valid) - Thus, 2log22+22=2+4=6 and 3⋅2=6 (valid solution). 2. For x=1: - log12 is undefined (not valid). ConclusionThe only valid solution is x=2. Therefore, the number of real solutions to the equation is:1 --- Show More ...
We obtain bounds as a function ofn, for the number of real solutions of the random algebraic equation &unknown;ax=Kwhere the coefficientsa's are independent random variables andKis a sequence of real numbers with suitably specified growth. Both cases of finite and infinite variances are ...
Find the number of real solutions for x^2+5x+7=0 3021 相关知识点: 试题来源: 解析 258545 x^2+5x+7=0 a=1,b=5,c=7 x=(-b±√(b^2-4ac))/(2a)=-5±√(25-4*1*7) x=(-5±√3)/2 x=(-5+1/2√3)/2,(-5-3√3)/2 专情况: B 反馈 收藏 ...
Answer to: Use a calculator to give the real number value. Round the answer to 7 decimal places. y = sin^-1 (0.4848) a. 0.5061345 b. 0.5412698 c. -...
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Step by step video & image solution for The number of real solutions of the equation (9//10)^x=-3+x-x^2 is by Maths experts to help you in doubts & scoring excellent marks in Class 12 exams. Updated on:21/07/2023 Class 12MATHSQUADRATIC EQUATIONS & INEQUATIONS ...
NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT JEE. Get PDF and video solutions of IIT-JEE Mains & Advanced previous year pap...