Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
1.7k views
in Squares And Square Roots by (49.2k points)
closed by

If \(\sqrt {(X-1)(y+2)}\) = 7, x and y being positive whole numbers, then the values of x and y are respectively

(a) 8,5

(b) 15,12

(c) 22,19

(d) 6,8

1 Answer

+1 vote
by (53.1k points)
selected by
 
Best answer

(a) 8, 5

\(\sqrt{(X-1)(y+2)}\) = 7 \(\Rightarrow\) (x - 1) (y + 2) = 72

\(\Rightarrow\) (x - 1) = 7 and (y + 2) = 7

\(\Rightarrow\) x = 8 and y = 5.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...