If (4a + 9b) : (4c + 9d) = (4a - 9b) : (4c - 9d), show that a : b = c : d?

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

Math Tutor

8a:18b=8c:18d (By Componendo and dividendo)
Comments

Maths Tutor

(4a+9b)(4c-9d)= (4c+9d)(4a-9b) 16ac-36ad+36bc-81bd)= 16ac-36bc+36ad-81bd) -72ad=-72bc ad=bc a/b=c/d a:b=c:d.
Comments

An Experienced Trainer

(By Componendo and Dividendo) 8a:18b=8c:18d or a:b = c:d.
Comments

View 1 more Answers

Related Questions

In algebra, can X and Y equal the same number?
Yes, in algebra, X and Y can equal the same number. This is frequently the case in equations where X and Y are variables that represent the same unknown quantity. For instance, consider the equation X...
Hemlata
0 0
7
How hard is college algebra?
College algebra is not that much hard but procedure to solve the problem will be lengthy and time consuming also you should solve lots of equations.
Dhivya
0 0
8
What is the best way to learn Algebra?
The bast way to learn algebra - 1. Understand basic concept 2. Memorise formulas 3. Practice a lot.
Prasad
0 0
7
The diameter of a sphere is 28 cm. Find the cost of painting it all around at Rs. 0.10 per square cm.
Diameter 28 cm. so radius 14 cm Surface area = 4/3 x 22/7 x 14 x 14= 821.33 sq cm Cost of painting 821.33 x 0.10 = Rs 82.13 Ans
Vibha
0 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Recommended Articles

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you